Summary of Oct 2023 CARB workshop for Tier 5 non-road standards

California is looking to reduce NOx emissions from non-road engines by 90% and enforce particulate filters on all engines. Here is a summary of the latest workshop to get stakeholder feedback on Tier 5 standards.

Summary of Euro 7/VII proposal – criteria pollutants

The EU Commission has proposed Euro 7 / VII emission standards for light- and heavy-duty vehicles. Here is a quick tabular summary.

Latest California section 177 states – ZEVs, LEVs and ICE bans

Around 40% of the US now follows California’s tougher-than-federal criteria pollutant standards. Here’s a summary of the latest, including followers of the Advanced Clean Cars rule.

California’s Heavy-Duty Low NOx Omnibus Regulation

California’s Air Resource Board (CARB) has passed what could be perhaps it’s last major regulation for reducing NOx and particulates from heavy-duty trucks and buses. The HD Low NOx “Omnibus” regulation practically touches upon every aspect of in-use emission reduction. Highlights summarized here.